*SUPPORT*
IN: tufa wif fep OUT: GREEN GREEN YELLOW
IN: fep OUT: YELLOW
IN: tufa wif blicket OUT: GREEN GREEN BLUE
IN: tufa blicket OUT: GREEN BLUE
IN: tufa tufa wif tufa OUT: GREEN GREEN GREEN GREEN GREEN
IN: dax fep OUT: PINK YELLOW
IN: dax tufa wif fep OUT: PINK GREEN PINK GREEN YELLOW
IN: blicket wif fep OUT: BLUE BLUE YELLOW
IN: dax fep dax lug fep OUT: YELLOW PINK YELLOW PINK
IN: fep zup fep wif dax OUT: YELLOW YELLOW YELLOW YELLOW PINK
IN: tufa OUT: GREEN
IN: dax OUT: PINK
IN: fep zup fep OUT: YELLOW YELLOW
IN: blicket dax OUT: BLUE PINK

*QUERY*
IN: fep lug dax OUT: PINK YELLOW
IN: blicket blicket OUT: BLUE BLUE
IN: dax dax OUT: PINK PINK
IN: tufa dax fep OUT: GREEN PINK YELLOW
IN: blicket wif blicket wif tufa OUT: BLUE BLUE BLUE BLUE BLUE BLUE GREEN
IN: dax zup tufa OUT: PINK GREEN
IN: blicket wif tufa OUT: BLUE BLUE GREEN
IN: fep blicket blicket OUT: YELLOW BLUE BLUE
IN: blicket OUT: BLUE
IN: tufa dax OUT: GREEN PINK

*GRAMMAR*
fep -> YELLOW 
 blicket -> BLUE 
 tufa -> GREEN 
 dax -> PINK 
 x1 wif u1 -> [x1] [x1] [u1] 
 x1 lug x2 -> [x2] [x1] 
 x1 zup x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 